CAM LOBE PROFILE CATALOG - Crane Cams Australia

PROFILE CODE
DUR. AT .050”/
LOBE LIFT
ADVERTISED DUR.
AT TAPPET LIFT
DEG. IN.
34 cranecams.com | 866.388.5120
DUR. AT
.200”
TAPPET LIFT
MECHANICAL ROLLER PROFILES
MECHANICAL ROLLER PROFILES
TAPPET LIFT AT
TOP DEAD CENTER
104 DEG.
INTAKE
114 DEG.
EXHAUST
GROSS VALVE LIFT WITH ZERO LASH AT
THEORETICAL ROCKER RATIO SHOWN
DESIGN
LOBE SIZE
CODE
1.50 1.60 1.70 1.76 SEE PAGE 3
NOPOP2 Continued from previous page.
R-280/450 320 .0162 191 .165 .125 .675 .720 .765 .792 B C
R-280/500 320 .0162 192 .165 .129 .750 .800 .850 .880 C
R-282/4701 322 .0162 194 .167 .135 .705 .752 .799 .827 C
R-282/5001 322 .0162 195 .168 .136 .750 .800 .850 .880 E
R-284/427 324 .0162 194 .170 .136 .641 .683 .726 .752 C
R-284/456 324 .0162 195 .171 .136 .684 .730 .775 .803 B C
R-284/5003 322 .0162 200 .172 .140 .750 .800 .850 .880 C E
R-286/4588 326 .0162 198 .177 .140 .688 .734 .780 .807 C
R-286/4668 326 .0162 197 .176 .139 .700 .747 .794 .822 B C
R-286/4701 326 .0162 198 .175 .142 .705 .752 .799 .827 C
R-286/500 326 .0162 200 .182 .142 .750 .800 .850 .880 C E
R-286/5203 324 .0162 203 .186 .147 .780 .832 .884 .915 C
R-288/4254 328 .0162 198 .179 .144 .638 .681 .723 .749 B C
R-288/4588 328 .0162 200 .182 .144 .688 .734 .780 .807 B C
R-288/4714 328 .0162 199 .180 .144 .707 .754 .801 .830 B C E
R-288/5251 328 .0162 200 .181 .148 .787 .840 .892 .908 E
R-290/415 330 .0162 199 .182 .147 .623 .664 .706 .730 B C
R-290/4778 330 .0162 201 .184 .147 .717 .764 .812 .841 C
R-290/480 330 .0162 201 .185 .147 .720 .768 .816 .845 C
R-292/4254 332 .0162 202 .187 .151 .638 .681 .723 .749 B C
R-292/480 332 .0162 202 .187 .150 .720 .768 .816 .845 B C
R-292/500 332 .0162 203 .190 .150 .750 .800 .850 .880 C E G
R-294/440 334 .0162 204 .190 .154 .660 .704 .748 .774 C
R-294/4778 334 .0162 205 .193 .154 .717 .764 .812 .841 C
R-296/435 336 .0162 206 .195 .159 .653 .696 .740 .766 B C
R-296/500 336 .0162 207 .198 .159 .750 .800 .850 .880 B C E G
R-296/515 336 .0162 209 .198 .163 .773 .824 .876 .906 C F
R-296/525 336 .0162 209 .198 .163 .788 .840 .893 .924 C G
R-298/515 338 .0162 211 .202 .167 .773 .824 .876 .906 E G
R-300/500 340 .0162 212 .206 .169 .750 .800 .850 .880 E
R-300/515 340 .0162 313 .208 .170 .773 .824 .876 .906 G
R-300/525 340 .0162 213 .207 .171 .788 .840 .893 .924 C E
R-302/467 342 .0162 212 .206 .169 .701 .747 .794 .822 C
R-302/5066 342 .0162 213 .210 .170 .760 .811 .861 .892 C F
R-304/500 344 .0162 216 .216 .172 .750 .800 .850 .880 E
R-304/525 344 .0162 218 .218 .180 .788 .840 .893 .924 G
R-306/500 346 .0162 218 .221 .181 .750 .800 .850 .880 E
R-308/525 346 .0162 224 .237 .193 .788 .840 .892 .924 C
R-310/467 350 .0162 220 .223 .185 .701 .747 .794 .822 C
R-312/525 350 .0162 228 .246 .201 .788 .840 .893 .924 C